Wirestrike Accident Rockwell S-2R Thrush Commander N4191X, 06 Jun 2016
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ASN Wikibase Occurrence # 187936
 
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Date:06-JUN-2016
Time:07:45
Type:Silhouette image of generic SS2P model; specific model in this crash may look slightly different    
Rockwell S-2R Thrush Commander
Owner/operator:Private
Registration: N4191X
MSN: 1956R
Fatalities:Fatalities: 1 / Occupants: 1
Other fatalities:0
Aircraft damage: Substantial
Category:Accident
Location:De Smet, ID -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Agricultural
Departure airport:Tekoa, WA (NA)
Destination airport:De Smet, ID (NA)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
During an aerial application flight to apply fungicide to a wheat field, the pilot was flying the airplane from west to east making a spray pass along the south edge of the field, which was bordered by powerlines. About 660 ft. from the west end of the field where the pilot started his spray pass, a set of guy wires originated from the top of one of the utility poles that supported the powerlines, extended about 65 ft. into the field, and ran directly perpendicular to and in line with the airplane's flight path. However, the pilot failed to maintain clearance with the guy wires, and the airplane's outboard right wing impacted the wires. The airplane subsequently veered right and impacted the powerlines, crossed a road that bordered the field on the south, and collided with a stand of trees. The airplane came to rest within the stand of trees about 490 ft. southeast of the initial impact point with the guy wires. Examination of the airframe and engine revealed no evidence of mechanical malfunctions or failures that would have precluded normal operation.

Given that the sun was very close to the horizon and would have been almost directly in the pilot's eyes as he attempted to avoid the guy wires, it is likely that sun glare contributed to his difficulty in maintaining clearance from the wires.

Probable Cause: The pilot's inadequate visual lookout, which resulted in his failure to maintain clearance from guy wires during an aerial application flight. Contributing to the accident was the pilot's reduced ability to see the guy wires due to sun glare.

Sources:

NTSB



Accident investigation:
cover
  
Investigating agency: NTSB
Status: Investigation completed
Duration:
Download report: Final report
Location


Images:


Photo(c): NTSB

Revision history:

Date/timeContributorUpdates
06-Jun-2016 21:43 Geno Added
07-Jun-2016 12:40 Iceman 29 Updated [Aircraft type, Operator, Source, Narrative]
07-Jun-2016 15:12 harro Updated [Aircraft type, Registration, Cn, Source, Damage, Narrative]
07-Jun-2016 16:56 Geno Updated [Source, Narrative]
15-Jun-2016 17:04 Aerossurance Updated [Time, Departure airport, Source, Narrative]
21-Dec-2016 19:30 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
19-Aug-2017 14:59 ASN Update Bot Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative]
07-Mar-2022 21:28 Captain Adam Updated [Other fatalities, Location, Narrative, Photo]

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